crypto: inside-secure - make the context control size dynamic (fef0cfe5) · Commits · 戴 / test

This patch makes the context control size computation dynamic, not to rely on hardcoded values. This is better for the future, and will help adding the AEAD support. Signed-off-by:

Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by:

Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/inside-secure/safexcel_cipher.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -118,21 +118,20 @@ static int safexcel_context_control(struct safexcel_cipher_ctx *ctx,
		switch (ctx->key_len) {
		case AES_KEYSIZE_128:
		cdesc->control_data.control0 \|= CONTEXT_CONTROL_CRYPTO_ALG_AES128;
		ctrl_size = 4;
		break;
		case AES_KEYSIZE_192:
		cdesc->control_data.control0 \|= CONTEXT_CONTROL_CRYPTO_ALG_AES192;
		ctrl_size = 6;
		break;
		case AES_KEYSIZE_256:
		cdesc->control_data.control0 \|= CONTEXT_CONTROL_CRYPTO_ALG_AES256;
		ctrl_size = 8;
		break;
		default:
		dev_err(priv->dev, "aes keysize not supported: %u\n",
		ctx->key_len);
		return -EINVAL;
		}

		ctrl_size = ctx->key_len / sizeof(u32);
		cdesc->control_data.control0 \|= CONTEXT_CONTROL_SIZE(ctrl_size);

		return 0;

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